Breeding cannabis

My Cultivar Selection and Breeding Process

When growing a particular cultivar, I prefer to germinate all seeds I have available at that time. I grow each seedling until the 6th node, applying super-cropping between nodes to encourage strong lateral branching — ideal for taking cuttings after sexing.

At the 6th node, I top each plant and immediately transition them into the flowering stage to determine sex. Once sex is expressed, I return the females to a revegetation phase under 24 hours of light. After reveg is complete and stable, I reduce the lighting to an 18/6 schedule for continued vegetative growth.

Male plants are allowed to continue flowering in isolation, away from the rest of the population, until pollen can be collected. Once sufficient pollen is harvested, it is stored in a freezer, and the male plants are culled.

During sexing, the topped females heal and begin to focus energy into their lateral branches. At this stage, I take clones from the top three nodes (typically six cuttings per plant). Once the clones are rooted, I transplant the original mothers and return them to flower to finish out their lifecycle.

After harvest, my friends and I collectively evaluate the finished product. Based on our observations and feedback, we label the clones either as keepers or culls. The selected keepers are cloned again, and the best-performing phenotypes are brought to my personal breeding garden, where they are matched with stored pollen.

By flowering every single male and female, I’ve discovered some standout genetics — especially resinous males. This process has repeatedly led me to unique and rewarding finds, pushing my breeding work forward with each cycle. :purple_heart:

8 Likes

This year I am growing land race varieties. My intention is to breed resinous male cultivars to them creating F1’s using these resinous Stud’s. Looking to create my own strains from wild original varieties. I have found resinous males to be dominant. In that every cross from using one originally I have seen more in the offspring. This way when back crossing to land races I will find resinous Studs along the way! Happy breeding :heart_eyes:

6 Likes

Hi @theseedslut

Welcome to GN, thank you for sharing so much with us. Love the way you include your friends in your breeding process to grow and evaluate your seeds. What landraces do you have lined up this season? Can you post some pictures? Would love to see some of your lineups?

4 Likes

@chrisj hey theseedslut is einsteingnetics. He is having troubles logging into the original account.

3 Likes

Hey @Slym3r

Yip been chatting with via email for a couple days.

3 Likes

Yep I have two profiles too…haven’t used the alternate for a long time, but had to do the same thing, create a new one cause the primary wouldn’t work.

Not sure I even remember what it was, I think MrGreenJeans.

Marty

3 Likes

I also have a couple more. Once I have an updated list of male’s & females I will share the lineup.
IMG_2467

4 Likes

My complete list of stock.

4 Likes

Owner of this facility has asked me to come grow it. I’m currently waiting on a contract. In the meantime I sent him a few of my land race types. He wants to try a break a record where he lives. We’re preserving each variety that offers a male to every female of same. For diversity. I will select certain ladies to be bred to resinous hybrid Studz! Making some killer F1’s. :grinning::grinning:



4 Likes

Love to hear that, and what a wonderful platform to share your passion for this plant. Holding thumbs for you @theseedslut . Love seeing people grow.

4 Likes

I typically breed in order to have fresh stock. Then I pheno hunt promising one’s in order to find the outright smelliest cultivars each variety has to offer. I’ve always grown perpetually in numbers so yields come in time. I’ve watched almost all the CannaCribs episodes and dispensaries across the nation don’t seem to care about yields either they simply grow in large numbers. I vaporize as my first choice of utilizing my medicine it uses hot air. I taste it the exact same as it smells. I use my vape to dictate which cultivars are furthered. I breed for the strongest terpenes no matter.

4 Likes

how long do you re-veg once sexed under 24hr light ?

3 Likes

I have a system so it’s not too long. Though once a plant has showed you can grow it as big as you like. I sex my plants by throwing them into 12/12. Around their 6th node.

3 Likes

Nice greenhouse for sure. Blackout and natural with supplemental. Drip emitter system?

Marty

3 Likes

The watering is TBD. As it’s being built as we speak. He bought it from his cousin. Who has a legal grow in another state.

3 Likes

The local licensed grow houses here in St. Louis are using rolling tables to facilitate easier maintenance rather than fixed pots like you show.

Marty

4 Likes

I showed owner the roller tables.

2 Likes

What helped me most was keeping detailed notes on each generation—traits, plant structure, smell, yield—so I could track what was showing up consistently through crosses and backcrosses.

4 Likes

It takes a plant 10 days to start revegging. And depending if you just have a regular plant or a flowering cut. You can reverse a photoperiod plant at almost any stage of groth after the plants a small juvenile plant. Check out my revegging plants thread. In fact click my profile and on my topics and i have threads about breeding, reversing, cloning, monster cropping. With complete write ups with pics and step by step instructions. And you can always ask me if you need help as im always here everyday.

3 Likes